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"The Ocean Galaxy" --Many of Milky Way's 4,000 Known Exoplanets May Be Water Worlds

  “Plumes of water erupt from Europa and Enceladus, so we can tell that these bodies have subsurface oceans beneath their ice shells, and they have energy that drives the plumes, which are two requirements for life as we know it,” says Lynnae Quick, a NASA planetary scientist who specializes in volcanism and ocean worlds. Many of the more than 4,000 known exoplanets might resemble some of the watery moons around Jupiter and Saturn. “So if we’re thinking about these places as being poss...
Maxwell Moe Caltech Mike Brown Lisa Kaltenegger Aki Roberge Stephanie Olson James Tralie

"Mount Everest Would Have Been Submerged" --Ancient Earth, One of the Milky Way's Countless Water Worlds

  In 2016, astronomers using data from NASA’s Kepler mission, discovered a planet unlike anything in our solar system –a “water world” planetary system orbiting the star Kepler-62 –a five-planet system with two worlds in the habitable zone — their surfaces completely covered by an endless global ocean with no land or mountains in sight. “Utterly Different Worlds Than Earth” “These are utterly different worlds compared to our own Earth,” said Harvard University astronomer Li...
United States Mount Everest New South Wales Harvard University Junjie Dong Benjamin Johnson

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